red flower of prickly pear

aloe ball barrel bloom blossom botanical botany bristle bush cactaceae cactaceous cacti cactusdesert climate cultivated danger dangerous drought dry echinocactus flora flower flowerpot garden green grow growth hot leaf natural nature needle pear plant poke prickly psammophyte red round saguaro sand sharp species spherical spike spiky spine spines spiny succulent thorn tropical vegetation wild wilderness